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Finding the Fourth Proportional to 363,754.48, 545,632.62 and 127,097.08

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Solution

The fourth proportional to 363,754.48, 545,632.62 and 127,097.08 is: 190,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,754.48 : 545,632.62 = 127,097.08 : x
  2. Step 2: Convert to fraction form
    363,754.48/545,632.62 = 127,097.08/x
  3. Step 3: Cross multiply
    363,754.48x = 545,632.62 × 127,097.08
  4. Step 4: Simplify right side
    363,754.48x = 69,348,312,754.75
  5. Step 5: Solve for x
    x = 69,348,312,754.75/363,754.48
  6. Step 6: Final answer
    x = 190,645.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.